Home / 212,756.74-319,182.41-92,833.09

Finding the Fourth Proportional to 212,756.74, 319,182.41 and 92,833.09

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Solution

The fourth proportional to 212,756.74, 319,182.41 and 92,833.09 is: 139,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,756.74 : 319,182.41 = 92,833.09 : x
  2. Step 2: Convert to fraction form
    212,756.74/319,182.41 = 92,833.09/x
  3. Step 3: Cross multiply
    212,756.74x = 319,182.41 × 92,833.09
  4. Step 4: Simplify right side
    212,756.74x = 29,630,687,333.87
  5. Step 5: Solve for x
    x = 29,630,687,333.87/212,756.74
  6. Step 6: Final answer
    x = 139,270.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.